block out [blɑk aʊt]

例句:

• Many floaters wear ear plugs to block out noise.
  来自WSJ
• Block out this unimportant detail at the top of your picture.
  在底片上把图像上部的这个不重要的细节涂抹掉.
  
• Block out the bottom of this picture when it is printed ; the balance of the page will be better.
  洗印的时候, 压掉照片的底部,这样看起来平衡效果好些.
  
• The standard exploration procedure here has been to block out areas on the magnetic map.
  这里的标准勘探程序是先在磁异常图上画出这个地区.
  
• Out the back of the machine...ran a huge block cable.
  来自New Yorker
• Soon, every white family on the block had moved out.
  来自NEWYORKER